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29 * Copyright 2005 Develer S.r.l. (http://www.develer.com/)
33 * \brief I2C generic driver functions (implementation).
35 * \author Francesco Sacchi <batt@develer.com>
41 * Send a sequence of bytes in master transmitter mode
42 * to the selected slave device through the I2C bus.
44 * \return true on success, false on error.
46 bool i2c_send(const void *_buf, size_t count)
48 const uint8_t *buf = (const uint8_t *)_buf;
59 * Receive a sequence of one or more bytes from the
60 * selected slave device in master receive mode through
63 * Received data is placed in \c buf.
65 * \note a NACK is automatically given on the last received
68 * \return true on success, false on error
70 bool i2c_recv(void *_buf, size_t count)
72 uint8_t *buf = (uint8_t *)_buf;
77 * The last byte read does not has an ACK
78 * to stop communication.
80 int c = i2c_get(count);
92 void i2c_swSend(struct I2c *i2c, const void *_buf, size_t count)
94 const uint8_t *buf = (const uint8_t *)_buf;
100 void i2c_swRecv(struct I2c *i2c, void *_buf, size_t count)
102 uint8_t *buf = (uint8_t *)_buf;
105 *buf++ = i2c_get(i2c);